Issue #1855114 by kiamlaluno: Fixed system_form_user_register_form_alter() and system_form_user_profile_form_alter() return a reference parameter they get.
Issue #1893372 by Crell: Move legacy flag for routes earlier in the process.
Issue #1887046 by Sutharsan: Convert drupal_http_request() usage in install.core.inc to Guzzle.
Issue #1892158 by dawehner, damiankloip: Added Only allow machine like names for the field alias row plugin.
Issue #1846454 by chx, dawehner, amateescu: Add Entity query to Config entities.
Issue #1892504 by grisendo, tim.plunkett: Fixed XSS in block titles.
Issue #1885868 by larowlan, swentel, Berdir: Fixed NodeRevisionsTest.php contains two classes, not PSR-0.
Issue #1864466 by mcjim: Fixed Password strength checker hidden on small screens.
Issue #1899682 by andypost: Fixed Add upgrade path tests for shortcut module.
Revert "Issue #1887046 by Sutharsan: Convert drupal_http_request() usage in install.core.inc to Guzzle."

This reverts commit bab6874e8403243d019574b2a2a51473e41af062.
Issue #1895984 by sdboyer: Improve new-style controller selection by relying on ContentNegotiation.
Issue #1892574 by sun: Remove hook_hook_info_alter().
Issue #1834184 by dawehner: Fixed Add basic views hooks to hook_hook_info().
Issue #1802566 by ao5357, mjohnq3, mgifford: Add ARIA landmarks for Bartik theme.
Issue #1796292 by superspring, YesCT, EllaTheHarpy: Fixed Use of undeclared variable : $original_title() in core/modules/forum/forum.module on line 1232.
Issue #1885796 by sun: Fixed PHP warnings in PhpStorage\FileStorage::save().
Issue #1891214 by damiankloip: Introduce a generic entity bundle filter handler.
Issue #1446956 by iamEAP: Changelog entry for accesslog removal.
Issue #1892462 by tim.plunkett: EntityManager should use the CacheDecorator.
Issue #1899440 by tim.plunkett: Fixed Views contextual links are gone.